Weapon

1. An instrument of offensive of defensive combat; something to fight with; anything used, or designed to be used, in destroying, defeating, or injuring an enemy, as a gun, a sword, etc. The weapons of our warfare are not carnal. (2 cor. X. 4) They, astonished, all resistancelost, All courage; down their idle weapons dropped. (milton)

3. (Science: botany) A thorn, prickle, or sting with which many plants are furnished. Concealed weapons. See Concealed. Weapon salve, a salve which was supposed to cure a wound by being applied to the weapon that made it.